Lead Software Engineer - Cloud Infrastructure Integrations

For over a decade now, OpenNebula Systems has been leading the development of the European open source technology that helps organizations around the world to manage their corporate data centers and build their Enterprise Clouds.

If you want to join an established leader in the cloud infrastructure industry and the global open source community, keep reading, because you can now join a team of exceptionally passionate and talented colleagues whose mission is to help the world's leading enterprises to implement their next-generation edge and cloud strategies. We are hiring!.

Since 2019, and thanks to the support from the European Commission, OpenNebula Systems has been leading the edge computing innovation in Europe, investing heavily in research and open source development, and playing a key role in strategic EU initiatives such as the IPCEI-CIS and the “European Alliance for Industrial Data, Edge and Cloud”.

We are currently looking for a Lead Software Engineer to come and join us in Europe as part of our new team developing the next generation management platform for the Cloud-Edge Computing Continuum.

Job Description

We’re looking for a Lead Software Engineer to join our core engineering team and take ownership of developing and integrating new components into the OpenNebula platform. This is a key role for someone passionate about open-source infrastructure, with a deep understanding of virtualization, storage, networking, and cloud-native ecosystems.

You’ll play a central role in driving technical strategy, coordinating with cross-functional teams, and leading the development of new integrations with enterprise storage, SDN, and backup solutions. This position combines architect-level thinking with hands-on coding, and is ideal for a highly experienced developer ready to grow into a broader leadership role.

Responsibilities

• Lead the design and development of new OpenNebula components, extensions and integrations
• Develop and maintain integrations with third-party platforms (e.g., NetApp, Ceph, Veeam, Commvault, networking plugins, etc.).
• Evaluate and implement infrastructure drivers for software-defined networking (SDN), storage (SDS), and backup system
• Ensure code quality through automated testing and code reviews.
• Work closely with the product and engineering teams to define architecture and long-term strategy.
• Contribute to OpenNebula’s open-source codebase, writing clean, scalable, and maintainable code and documentation.
• Act as a technical point of contact for infrastructure-related partnerships and collaborations.
• Mentor junior engineers and contribute to internal knowledge sharing.
• Collaborate with ecosystem partners and participate in customer-facing technical discussions when needed.

Experience Required

_Academic Background and Certifications

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• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field

_Professional Experience

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• Minimum of 3 years in senior-level engineering roles (e.g., Senior Developer, Systems Engineer, Infrastructure Architect)
• Proven experience leading technical initiatives and mentoring junior engineers

_Technical Experience

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• Extensive experience in systems programming or backend development with C++, Python, or Go
• Solid background in private cloud development, virtualization, and cloud platform integration using open-source technologies
• Hands-on experience with enterprise infrastructure technologies such as Ceph, NVMe, NFS, Fibre Channel, NetApp, Veeam, InfiniBand, SDN, and others
• Deep knowledge of Linux systems, scripting, and automation tools like Ansible, systemd, etc.
• Comfortable working with version control (Git), CI/CD pipelines, and infrastructure-as-code tools

_Language Skills

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• Fluent in English, with excellent written and verbal communication skills.

_Soft Skills & Collaboration

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• Clear communication and documentation with strong written and verbal English, async collaboration, and visibility of work.
• Self-management and accountability with ability to work independently, manage time, and take ownership of tasks and deadlines
• Technical autonomy and tool proficiency with confidence in using remote collaboration tools (Slack, GitHub, etc.), and solving problems without direct supervision

What's in it for me?

Some of our benefits and perks vary depending on location and employment type, but we are proud to provide employees with the following;

• Competitive compensation package and Flexible Remuneration Options: Meals, Transport, Nursery/Childcare…
• Customized workstation (macOS, Windows, Linux any distro is welcome)
• Private Health Insurance
• 6 hours workday on Fridays and everyday during August
• PTO: Holidays, Personal Time, Sick Time, Parental leave.
• All Remote company with bright HQ centrally located in Madrid, and offices in Boston (USA) and Brno (Czech Republic)
• Healthy Work-Life Balance : We encourage the right for Digital Disconnecting and promote harmony between employees personal and professional lives
• Flexible hiring options: Full Time/Part Time, Employee (Spain/Usa) / Contractor (other locations)
• We are building an awesome, Engineering First Culture and your opinion matters: Thrive in the high-energy environment of a young company where openness, collaboration, risk-taking, and continuous growth are valued
• Be exposed to a broad technology ecosystem. We encourage learning and researching new technologies and methods as part of your everyday duties